#include <bits/stdc++.h>
using namespace std;
bool dp[4][2005][2005];
int biggest_stadium(int N, vector<vector<int>> F) {
for (int i=0; i<N; i++) {
for (int j=0; j<N; j++) {
bool tree = F[i][j] == 1;
bool to = i == 0 || dp[0][i-1][j];
bool le = j == 0 || dp[0][i][j-1];
dp[0][i][j] = tree && to && le;
}
}
for (int i=0; i<N; i++) {
for (int j=N-1; j>=0; j--) {
bool tree = F[i][j] == 1;
bool to = i == 0 || dp[1][i-1][j];
bool ri = j == N-1 || dp[1][i][j+1];
dp[1][i][j] = tree && to && ri;
}
}
for (int i=N-1; i>=0; i--) {
for (int j=0; j<N; j++) {
bool tree = F[i][j] == 1;
bool bo = i == N-1 || dp[2][i+1][j];
bool le = j == 0 || dp[2][i][j-1];
dp[2][i][j] = tree && bo && le;
}
}
for (int i=N-1; i>=0; i--) {
for (int j=N-1; j>=0; j--) {
bool tree = F[i][j] == 1;
bool bo = i == N-1 || dp[3][i+1][j];
bool ri = j == N-1 || dp[3][i][j+1];
dp[3][i][j] = tree && bo && ri;
}
}
bool entire = true;
int sz = 0;
for (int i=0; i<N; i++) {
for (int j=0; j<N; j++) {
bool tree = F[i][j] == 1;
if (tree && !dp[0][i][j] && !dp[1][i][j] && !dp[2][i][j] && !dp[3][i][j]) {
entire = false;
// cout << i << "," << j << "\n";
break;
}
sz += 1 - tree;
}
}
// check row intervals work
int i1 = 0, i2 = N-1;
while (i1 < i2) {
int tl = -1, tr = N;
for (int j=0; j<N; j++) {
if (dp[0][i1][j]) tl = j;
else break;
}
for (int j=N-1; j>=0; j--) {
if (dp[1][i1][j]) tr = j;
else break;
}
int bl = -1, br = N;
for (int j=0; j<N; j++) {
if (dp[2][i2][j]) bl = j;
else break;
}
for (int j=N-1; j>=0; j--) {
if (dp[3][i2][j]) br = j;
else break;
}
int l = max(bl, tl);
int r = min(br, tr);
if (l == tl && r == tr) i1++;
else if (l == bl && r == br) i2--;
else { entire = false; break; }
}
// check column intervals work
int j1 = 0, j2 = N-1;
while (j1 < j2) {
int tl = -1, bl = N;
for (int i=0; i<N; i++) {
if (dp[0][i][j1]) tl = i;
else break;
}
for (int i=N-1; i>=0; i--) {
if (dp[2][i][j1]) bl = i;
else break;
}
int tr = -1, br = N;
for (int i=0; i<N; i++) {
if (dp[1][i][j2]) tr = i;
else break;
}
for (int i=N-1; i>=0; i--) {
if (dp[3][i][j2]) br = i;
else break;
}
int t = max(tl, tr);
int b = min(bl, br);
if (t == tr && b == br) j1++;
else if (t == tl && b == bl) j2--;
else { entire = false; break; }
}
if (entire) {
return sz;
} else {
return 0;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
partial |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
ok |
2 |
Correct |
0 ms |
348 KB |
ok |
3 |
Correct |
1 ms |
348 KB |
ok |
4 |
Correct |
0 ms |
348 KB |
ok |
5 |
Correct |
1 ms |
344 KB |
ok |
6 |
Partially correct |
1 ms |
348 KB |
partial |
7 |
Partially correct |
2 ms |
1116 KB |
partial |
8 |
Partially correct |
16 ms |
6748 KB |
partial |
9 |
Partially correct |
269 ms |
55308 KB |
partial |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
ok |
2 |
Correct |
0 ms |
348 KB |
ok |
3 |
Partially correct |
1 ms |
600 KB |
partial |
4 |
Partially correct |
1 ms |
348 KB |
partial |
5 |
Partially correct |
1 ms |
348 KB |
partial |
6 |
Partially correct |
0 ms |
444 KB |
partial |
7 |
Partially correct |
0 ms |
348 KB |
partial |
8 |
Correct |
0 ms |
348 KB |
ok |
9 |
Correct |
0 ms |
348 KB |
ok |
10 |
Partially correct |
1 ms |
348 KB |
partial |
11 |
Partially correct |
1 ms |
348 KB |
partial |
12 |
Partially correct |
1 ms |
348 KB |
partial |
13 |
Correct |
0 ms |
348 KB |
ok |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
partial |
2 |
Correct |
0 ms |
348 KB |
ok |
3 |
Correct |
0 ms |
348 KB |
ok |
4 |
Partially correct |
1 ms |
600 KB |
partial |
5 |
Partially correct |
1 ms |
348 KB |
partial |
6 |
Partially correct |
1 ms |
348 KB |
partial |
7 |
Partially correct |
0 ms |
444 KB |
partial |
8 |
Partially correct |
0 ms |
348 KB |
partial |
9 |
Correct |
0 ms |
348 KB |
ok |
10 |
Correct |
0 ms |
348 KB |
ok |
11 |
Partially correct |
1 ms |
348 KB |
partial |
12 |
Partially correct |
1 ms |
348 KB |
partial |
13 |
Partially correct |
1 ms |
348 KB |
partial |
14 |
Correct |
0 ms |
348 KB |
ok |
15 |
Partially correct |
1 ms |
348 KB |
partial |
16 |
Partially correct |
0 ms |
348 KB |
partial |
17 |
Partially correct |
1 ms |
348 KB |
partial |
18 |
Partially correct |
0 ms |
348 KB |
partial |
19 |
Partially correct |
0 ms |
444 KB |
partial |
20 |
Correct |
1 ms |
348 KB |
ok |
21 |
Correct |
1 ms |
348 KB |
ok |
22 |
Partially correct |
0 ms |
348 KB |
partial |
23 |
Partially correct |
0 ms |
348 KB |
partial |
24 |
Partially correct |
0 ms |
348 KB |
partial |
25 |
Partially correct |
0 ms |
348 KB |
partial |
26 |
Partially correct |
0 ms |
440 KB |
partial |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
partial |
2 |
Correct |
0 ms |
348 KB |
ok |
3 |
Correct |
0 ms |
348 KB |
ok |
4 |
Correct |
1 ms |
348 KB |
ok |
5 |
Correct |
0 ms |
348 KB |
ok |
6 |
Partially correct |
1 ms |
600 KB |
partial |
7 |
Partially correct |
1 ms |
348 KB |
partial |
8 |
Partially correct |
1 ms |
348 KB |
partial |
9 |
Partially correct |
0 ms |
444 KB |
partial |
10 |
Partially correct |
0 ms |
348 KB |
partial |
11 |
Correct |
0 ms |
348 KB |
ok |
12 |
Correct |
0 ms |
348 KB |
ok |
13 |
Partially correct |
1 ms |
348 KB |
partial |
14 |
Partially correct |
1 ms |
348 KB |
partial |
15 |
Partially correct |
1 ms |
348 KB |
partial |
16 |
Correct |
0 ms |
348 KB |
ok |
17 |
Partially correct |
1 ms |
348 KB |
partial |
18 |
Partially correct |
0 ms |
348 KB |
partial |
19 |
Partially correct |
1 ms |
348 KB |
partial |
20 |
Partially correct |
0 ms |
348 KB |
partial |
21 |
Partially correct |
0 ms |
444 KB |
partial |
22 |
Correct |
1 ms |
348 KB |
ok |
23 |
Correct |
1 ms |
348 KB |
ok |
24 |
Partially correct |
0 ms |
348 KB |
partial |
25 |
Partially correct |
0 ms |
348 KB |
partial |
26 |
Partially correct |
0 ms |
348 KB |
partial |
27 |
Partially correct |
0 ms |
348 KB |
partial |
28 |
Partially correct |
0 ms |
440 KB |
partial |
29 |
Partially correct |
0 ms |
344 KB |
partial |
30 |
Partially correct |
1 ms |
604 KB |
partial |
31 |
Partially correct |
0 ms |
600 KB |
partial |
32 |
Partially correct |
1 ms |
604 KB |
partial |
33 |
Partially correct |
0 ms |
604 KB |
partial |
34 |
Correct |
1 ms |
604 KB |
ok |
35 |
Correct |
1 ms |
604 KB |
ok |
36 |
Partially correct |
1 ms |
604 KB |
partial |
37 |
Partially correct |
0 ms |
604 KB |
partial |
38 |
Partially correct |
0 ms |
700 KB |
partial |
39 |
Partially correct |
0 ms |
704 KB |
partial |
40 |
Partially correct |
1 ms |
604 KB |
partial |
41 |
Partially correct |
0 ms |
604 KB |
partial |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
partial |
2 |
Correct |
0 ms |
348 KB |
ok |
3 |
Correct |
0 ms |
348 KB |
ok |
4 |
Correct |
1 ms |
348 KB |
ok |
5 |
Correct |
0 ms |
348 KB |
ok |
6 |
Partially correct |
1 ms |
600 KB |
partial |
7 |
Partially correct |
1 ms |
348 KB |
partial |
8 |
Partially correct |
1 ms |
348 KB |
partial |
9 |
Partially correct |
0 ms |
444 KB |
partial |
10 |
Partially correct |
0 ms |
348 KB |
partial |
11 |
Correct |
0 ms |
348 KB |
ok |
12 |
Correct |
0 ms |
348 KB |
ok |
13 |
Partially correct |
1 ms |
348 KB |
partial |
14 |
Partially correct |
1 ms |
348 KB |
partial |
15 |
Partially correct |
1 ms |
348 KB |
partial |
16 |
Correct |
0 ms |
348 KB |
ok |
17 |
Partially correct |
1 ms |
348 KB |
partial |
18 |
Partially correct |
0 ms |
348 KB |
partial |
19 |
Partially correct |
1 ms |
348 KB |
partial |
20 |
Partially correct |
0 ms |
348 KB |
partial |
21 |
Partially correct |
0 ms |
444 KB |
partial |
22 |
Correct |
1 ms |
348 KB |
ok |
23 |
Correct |
1 ms |
348 KB |
ok |
24 |
Partially correct |
0 ms |
348 KB |
partial |
25 |
Partially correct |
0 ms |
348 KB |
partial |
26 |
Partially correct |
0 ms |
348 KB |
partial |
27 |
Partially correct |
0 ms |
348 KB |
partial |
28 |
Partially correct |
0 ms |
440 KB |
partial |
29 |
Partially correct |
0 ms |
344 KB |
partial |
30 |
Partially correct |
1 ms |
604 KB |
partial |
31 |
Partially correct |
0 ms |
600 KB |
partial |
32 |
Partially correct |
1 ms |
604 KB |
partial |
33 |
Partially correct |
0 ms |
604 KB |
partial |
34 |
Correct |
1 ms |
604 KB |
ok |
35 |
Correct |
1 ms |
604 KB |
ok |
36 |
Partially correct |
1 ms |
604 KB |
partial |
37 |
Partially correct |
0 ms |
604 KB |
partial |
38 |
Partially correct |
0 ms |
700 KB |
partial |
39 |
Partially correct |
0 ms |
704 KB |
partial |
40 |
Partially correct |
1 ms |
604 KB |
partial |
41 |
Partially correct |
0 ms |
604 KB |
partial |
42 |
Partially correct |
18 ms |
6748 KB |
partial |
43 |
Partially correct |
17 ms |
6744 KB |
partial |
44 |
Partially correct |
17 ms |
6660 KB |
partial |
45 |
Partially correct |
19 ms |
6744 KB |
partial |
46 |
Partially correct |
17 ms |
6744 KB |
partial |
47 |
Partially correct |
18 ms |
6748 KB |
partial |
48 |
Correct |
19 ms |
6748 KB |
ok |
49 |
Partially correct |
23 ms |
6740 KB |
partial |
50 |
Partially correct |
17 ms |
6740 KB |
partial |
51 |
Partially correct |
17 ms |
6748 KB |
partial |
52 |
Partially correct |
18 ms |
6748 KB |
partial |
53 |
Partially correct |
19 ms |
6748 KB |
partial |
54 |
Partially correct |
25 ms |
6812 KB |
partial |
55 |
Partially correct |
19 ms |
6740 KB |
partial |
56 |
Partially correct |
18 ms |
6744 KB |
partial |
57 |
Partially correct |
20 ms |
6744 KB |
partial |
58 |
Partially correct |
20 ms |
6744 KB |
partial |
59 |
Partially correct |
23 ms |
6600 KB |
partial |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
partial |
2 |
Correct |
0 ms |
348 KB |
ok |
3 |
Correct |
0 ms |
348 KB |
ok |
4 |
Correct |
1 ms |
348 KB |
ok |
5 |
Correct |
0 ms |
348 KB |
ok |
6 |
Correct |
1 ms |
344 KB |
ok |
7 |
Partially correct |
1 ms |
348 KB |
partial |
8 |
Partially correct |
2 ms |
1116 KB |
partial |
9 |
Partially correct |
16 ms |
6748 KB |
partial |
10 |
Partially correct |
269 ms |
55308 KB |
partial |
11 |
Partially correct |
1 ms |
600 KB |
partial |
12 |
Partially correct |
1 ms |
348 KB |
partial |
13 |
Partially correct |
1 ms |
348 KB |
partial |
14 |
Partially correct |
0 ms |
444 KB |
partial |
15 |
Partially correct |
0 ms |
348 KB |
partial |
16 |
Correct |
0 ms |
348 KB |
ok |
17 |
Correct |
0 ms |
348 KB |
ok |
18 |
Partially correct |
1 ms |
348 KB |
partial |
19 |
Partially correct |
1 ms |
348 KB |
partial |
20 |
Partially correct |
1 ms |
348 KB |
partial |
21 |
Correct |
0 ms |
348 KB |
ok |
22 |
Partially correct |
1 ms |
348 KB |
partial |
23 |
Partially correct |
0 ms |
348 KB |
partial |
24 |
Partially correct |
1 ms |
348 KB |
partial |
25 |
Partially correct |
0 ms |
348 KB |
partial |
26 |
Partially correct |
0 ms |
444 KB |
partial |
27 |
Correct |
1 ms |
348 KB |
ok |
28 |
Correct |
1 ms |
348 KB |
ok |
29 |
Partially correct |
0 ms |
348 KB |
partial |
30 |
Partially correct |
0 ms |
348 KB |
partial |
31 |
Partially correct |
0 ms |
348 KB |
partial |
32 |
Partially correct |
0 ms |
348 KB |
partial |
33 |
Partially correct |
0 ms |
440 KB |
partial |
34 |
Partially correct |
0 ms |
344 KB |
partial |
35 |
Partially correct |
1 ms |
604 KB |
partial |
36 |
Partially correct |
0 ms |
600 KB |
partial |
37 |
Partially correct |
1 ms |
604 KB |
partial |
38 |
Partially correct |
0 ms |
604 KB |
partial |
39 |
Correct |
1 ms |
604 KB |
ok |
40 |
Correct |
1 ms |
604 KB |
ok |
41 |
Partially correct |
1 ms |
604 KB |
partial |
42 |
Partially correct |
0 ms |
604 KB |
partial |
43 |
Partially correct |
0 ms |
700 KB |
partial |
44 |
Partially correct |
0 ms |
704 KB |
partial |
45 |
Partially correct |
1 ms |
604 KB |
partial |
46 |
Partially correct |
0 ms |
604 KB |
partial |
47 |
Partially correct |
18 ms |
6748 KB |
partial |
48 |
Partially correct |
17 ms |
6744 KB |
partial |
49 |
Partially correct |
17 ms |
6660 KB |
partial |
50 |
Partially correct |
19 ms |
6744 KB |
partial |
51 |
Partially correct |
17 ms |
6744 KB |
partial |
52 |
Partially correct |
18 ms |
6748 KB |
partial |
53 |
Correct |
19 ms |
6748 KB |
ok |
54 |
Partially correct |
23 ms |
6740 KB |
partial |
55 |
Partially correct |
17 ms |
6740 KB |
partial |
56 |
Partially correct |
17 ms |
6748 KB |
partial |
57 |
Partially correct |
18 ms |
6748 KB |
partial |
58 |
Partially correct |
19 ms |
6748 KB |
partial |
59 |
Partially correct |
25 ms |
6812 KB |
partial |
60 |
Partially correct |
19 ms |
6740 KB |
partial |
61 |
Partially correct |
18 ms |
6744 KB |
partial |
62 |
Partially correct |
20 ms |
6744 KB |
partial |
63 |
Partially correct |
20 ms |
6744 KB |
partial |
64 |
Partially correct |
23 ms |
6600 KB |
partial |
65 |
Partially correct |
258 ms |
51536 KB |
partial |
66 |
Partially correct |
289 ms |
55312 KB |
partial |
67 |
Partially correct |
270 ms |
55184 KB |
partial |
68 |
Partially correct |
282 ms |
52560 KB |
partial |
69 |
Partially correct |
243 ms |
55376 KB |
partial |
70 |
Partially correct |
261 ms |
55312 KB |
partial |
71 |
Partially correct |
263 ms |
55184 KB |
partial |
72 |
Partially correct |
257 ms |
55164 KB |
partial |
73 |
Correct |
282 ms |
55376 KB |
ok |
74 |
Correct |
279 ms |
55376 KB |
ok |
75 |
Partially correct |
277 ms |
55184 KB |
partial |
76 |
Partially correct |
268 ms |
55312 KB |
partial |
77 |
Partially correct |
260 ms |
54868 KB |
partial |
78 |
Partially correct |
268 ms |
55380 KB |
partial |
79 |
Partially correct |
273 ms |
55384 KB |
partial |
80 |
Partially correct |
247 ms |
55324 KB |
partial |
81 |
Partially correct |
259 ms |
55380 KB |
partial |
82 |
Partially correct |
256 ms |
55188 KB |
partial |
83 |
Partially correct |
249 ms |
55376 KB |
partial |
84 |
Partially correct |
286 ms |
55380 KB |
partial |
85 |
Partially correct |
297 ms |
55180 KB |
partial |
86 |
Partially correct |
270 ms |
55376 KB |
partial |
87 |
Partially correct |
275 ms |
55380 KB |
partial |
88 |
Partially correct |
294 ms |
55308 KB |
partial |
89 |
Partially correct |
253 ms |
54608 KB |
partial |
90 |
Partially correct |
263 ms |
55352 KB |
partial |
91 |
Partially correct |
256 ms |
55376 KB |
partial |
92 |
Partially correct |
248 ms |
55380 KB |
partial |
93 |
Partially correct |
267 ms |
55380 KB |
partial |
94 |
Partially correct |
263 ms |
55376 KB |
partial |
95 |
Partially correct |
268 ms |
55192 KB |
partial |
96 |
Partially correct |
255 ms |
55180 KB |
partial |
97 |
Partially correct |
274 ms |
55316 KB |
partial |
98 |
Partially correct |
260 ms |
55380 KB |
partial |
99 |
Partially correct |
258 ms |
55180 KB |
partial |
100 |
Partially correct |
248 ms |
55200 KB |
partial |
101 |
Partially correct |
250 ms |
55380 KB |
partial |
102 |
Partially correct |
259 ms |
55384 KB |
partial |
103 |
Partially correct |
289 ms |
55376 KB |
partial |
104 |
Partially correct |
266 ms |
55192 KB |
partial |
105 |
Partially correct |
258 ms |
55380 KB |
partial |
106 |
Partially correct |
269 ms |
55380 KB |
partial |
107 |
Partially correct |
249 ms |
55184 KB |
partial |
108 |
Partially correct |
270 ms |
55544 KB |
partial |
109 |
Partially correct |
261 ms |
55200 KB |
partial |